By 
Krill oil is derived from krill, small shrimp-like crustaceans found in oceans worldwide. Krill are known for their transparent shells, which reveal their internal organs, and are considered lower in the food chain, primarily feeding on plankton like phytoplankton and zooplankton.
Krill play a significant role in the fishing industry, with approximately 294,000 tons of krill biomass harvested for consumption. This amount represents 39% of total fishing yields during a specific period. The two most commonly fished species are North Pacific and Antarctic krill. Norway, South Korea, and China are the top three consumers, accounting for 56%, 19%, and 18% of the global krill catch, respectively. Additionally, Norwegian krill oil is known for its health benefits.
Krill oil is used for medicinal purposes and is often considered a superior alternative to conventional fish oil. Below is a comparison of krill oil and traditional fish oil:
Comparison Between Krill Oil and Conventional Fish Oil
Similarities:
- Both krill oil and fish oil provide DHA and EPA, two essential forms of omega-3 fatty acids.
Differences:
- While both contain DHA and EPA, these nutrients are more prevalent in krill oil.
- Omega-3 in fish oil is bound to triglycerides, whereas in krill oil, it is bound to phospholipids, making it easier to digest.
- Krill oil contains astaxanthin, a powerful carotenoid with multiple health benefits, including acting as a natural antioxidant to maintain freshness.
- Krill, harvested from less polluted waters, have a shorter lifespan and reduced exposure to marine toxins compared to conventional fish.
- Krill oil is considered a more organic and sustainable option than cod or salmon oil.
- Fish oil supplements are regulated with a maximum daily intake, whereas no standards currently exist for krill oil supplements.
Health Benefits of Krill Oil
The above information suggests that krill oil may be a healthier alternative to conventional fish oil. Here are the health benefits associated with krill oil:
- Rich Source of Protein:
Krill oil is known for its high protein content, ranging from 60-80%. Protein is essential for building and maintaining body tissues. - Abundant Omega-3 Supply:
Omega-3 is the primary reason to consume krill oil supplements. It promotes heart health, lowers cholesterol by increasing LDL levels, normalizes blood pressure, and prevents blood clots. Omega-3 also reduces the risk of autoimmune diseases, cancer, and inflammation. - Reduces Arthritis Symptoms:
Krill oil helps alleviate arthritis symptoms by reducing pain, stiffness, and inflammation. Research has shown that krill oil is more effective than placebos in promoting healthy joints and bones, thanks to its omega-3 content, which enhances calcium absorption, strengthens bones, and aids in collagen production. - Relieves Pre-Menstrual Syndrome:
Krill oil supplements may relieve symptoms of PMS, such as emotional changes, joint pain, and breast tenderness, experienced by many women during menstruation. - Supports Cognitive Health:
Omega-3 fatty acids in krill oil support cognitive health. These fatty acids are part of phosphatidylcholine, a substance that is better absorbed by the brain than triglycerides, leading to improved brain function. - Enhances Cardiovascular Health:
Omega-3 in krill oil also supports cardiovascular function and reduces the risk of heart attacks and strokes. Research has shown that krill oil supplements can meet the American Heart Association’s recommended omega-3 intake. - Counters Mental and Psychological Disorders:
Regular consumption of krill oil, rich in omega-3, can help prevent or alleviate mental and psychological disorders, including depression, anxiety, ADHD, schizophrenia, bipolar disorder, and Alzheimer’s disease. - Environmentally Sustainable:
Krill oil is certified as environmentally sustainable by the Marine Stewardship Council (MSC), a non-profit organization promoting responsible fishing practices. Modern fishing techniques ensure that krill are harvested in a way that minimizes environmental impact, contributing to a superior product quality while reducing oceanic pollution.
